Answers to the in - class questions (more to come later)

 

1a: Client/Server

1b: Peer - Peer

 

2a: File

2b: Database

2c: Web

2d: Message

 

3.1: Network

3.2: Application

3.3: Physical

3.4: Datalink

3.5 Application

3.6: Application

 

4.1: 8000 bps

4.2: 64 Kbit/sec

4.3: 5*10**6 m

4.4a: 4.6*10**14

4.4b: 3*10**13

 

5.1: 266 Mbit/sec

5.2: 133 MHz

5.3: 2**(3.7*10**4)

 

6.1: 1.25*10**5

6.2: 10**5

 

7.1: Analog

7.2: Microwave

7.3: Digital

7.4: is required

 

7a: Connectionless efficiency: 89%

    Connection efficiency:      98%

 

8.1: Connectionless, unacknowledged

8.2: Connection oriented

 

 9.1: Increasing

9.2: Few long

9.3: Increasing

9.4: Greater

9.5: 18 Km (presuming speed of light)

 

10: The picture did not come right. See the course notes

 

11.1: B

11.2: 2**6 - 2

11.3: 2**10 - 2

11.4: 4 or 136.159.4

11.5: 3.2

 

12: See the book p. 436